NEC POWERMATE VE - SERVICE MANUAL 1997 Service Manual

Contents

1-6 Technical InformationHARD DISK SPECIFICATIONSThe PowerMate Ve ETC Series computer contains a 1.2-GB Western Digital IDE harddisk. The following table provides hard disk specifications.Table 1-4 Hard Disk Drive SpecificationsFeatures SpecificationPhysical ConfigurationFormatted Capacity 1.278 GBActuator Type Rotary voice-coilNumber of Disks 3Data Heads 6Servo Type EmbeddedTracks per Inch (tpi) 3,849 tpiBytes per Sector 512Maximum DataRate from Media45.4 MB/secondDimensionsHeightLengthWidth1.00 in. (25.4 mm)5.75 in. (146.0 mm)4.00 in. (101.6 mm)Weight 1.3 lb (589.4)PerformanceTrack-to-track seekAverage seekMaximum seek3.0 ms14 ms26 msAverage Latency 8.3 msRotation Speed 3600 rpmData Transfer Rate(buffer to disk)45.4 MB/s maximumData Transfer Rate(buffer to host)16.6 MB/s, Mode 4Start/Stop Cycles 40,000 minimumBuffer Size 64 KBInterface IDE